'She's the red tape that everyone has to go through, but I liked the idea of playing someone who came across as cold and untouchable, and then slowly reveals she's a human being - one that's flawed and heartbreaking.

'She turns out to be the one with the biggest agenda.'

The film is set in the late 21st century and the crew of the spaceship Prometheus is sent on a scientific expedition to follow a star map which could lead them to the origins of mankind.

But as they begin to explore the advanced civilization of an extraterrestrial race, they soon face a threat to humanity's very existence.

The beginning of the end: The space explorers will find themselves in a fight to protect the human race